• This shock sensor comes standard, in-the-box, with all VISION Security Systems.

• As you may expect, this shock sensor (or any other sensor) does not "guarantee" complete protection against theft or vandalism.
• For the vast majority of vehicles, even large vans or SUVs, the ideal sensitivity setting for the 318-052 shock sensor is 50% or less. If the Warning Chirps are going off more than you like, it means you simply need to reduce the sensitivity setting on the sensor.

Even the smallest movement of the reflector is sensed, and intelligent analysis of the movement eliminates false triggers.

VISION sensor technology is a cut above the rest. Competing shock sensors most often use piezo or suspended magnet detectors that are often confused by jackhammers, loud trucks, motorcycles, and muffler-modified cars. The IP40-certified VISION 318-052 eliminates false triggers without sacrificing sensitivity by using a much more sophisticated IR impact detector.

The 318-052's sensitivity is user-adjustable, with adequate coverage of any vehicle from sub-compact cars to oversized vans and 4x4's.

VISION Active-IR shock sensors use a tiny infra-red transceiver and suspended reflector to detect impact.

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